/*
 * MIT License
 * 
 * Copyright (c) 2017 wen.gu <454727014@qq.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/***************************************************************************
 * Name: vos_mem.c
 *
 * Purpose: std c memory operation interface
 *
 * Developer:
 *   wen.gu , 2015-10-12
 *
 * TODO: 
 *
 ***************************************************************************/

//inner header file
#include "sys_config.h"

#if defined(USE_STDC_MEMORY_INTERFACE) && USE_STDC_MEMORY_INTERFACE
//API header file
#include "vos_mem.h"

#include <stdlib.h>
#include <stdio.h>

#undef memAlloc
#undef memRealloc
#undef memFree
/***************************************************************************
 *
 * virtual memory API define
 *
 ***************************************************************************/
/**
*@brief  allocate a memory
*
*@param  size [in] allocate memory size
*
*@retuen if success return memory porinter, else return 'NULL'.
*@see 
*/
void  *memAlloc(GU32 size)
{
    return malloc((size_t)size);
}

/**
*@brief  reallocate a memory
*
*note    if you want not lost data,the new
*        size must bigger than old memory size
*
*@param  oldMem  [in] old memory addr
*@param  newSize [in] new memory size
*
*@retuen if success return new memory porinter, else return 'NULL'.
*@see 
*/
void *memRealloc(void* oldMem, GU32 newSize)
{
    return realloc(oldMem, (size_t)newSize);
}

/**
*@brief  free a memory
*
*@param  mem [in] memory addr
*
*@retuen None.
*@see 
*/
void memFree(void* mem)
{
    free(mem);
}

#endif
